Senior Process Engineer Wet Chemistry (Solar Cell Manufacturing)

*SunFonergy Technology LLC | Full-time | India (travel to customer fabs required)*

About SunFonergy

SunFonergy Technology LLC is a US-headquartered global leader in specialty chemical additives for solar PV cell manufacturing, serving the world's leading cell manufacturers. Vibgyor Energy is SunFonergy's exclusive partner in India. As solar cell capacity in India scales rapidly, our additive trial and qualification pipeline is expanding and we are looking for a senior technical leader to drive it.

Job Summary

We are seeking a seasoned Senior Process Engineer with deep expertise in the wet chemistry of solar cell manufacturing to lead our additive trial and qualification programme in India. You will own the design execution, and optimization of additive trials at customer manufacturing lines from trial planning and on-line process tuning through data analysis and qualification while mentoring the field engineering team and driving continuous improvement in how we deliver results. This is a customer-facing,



strategic role requiring robust leadership, analytical rigour, and the ability to collaborate across customer R&D;, production, and quality teams to demonstrate performance gains and drive additive adoption from trial to production.

Key Responsibilities
- Trial Leadership: Lead end-to-end additive trials at customer fabs trial design, baseline benchmarking, on-line execution, and post-trial performance analysis and qualification reporting.
- Process Development & Optimization: Develop and optimize wet chemistry processes texturing, etching, cleaning, and surface treatment to enhance efficiency, yield, and quality on PERC, TOPCon, and next-generation cell architectures.
- Data & Performance Metrics: Define and monitor KPIs across trials (cell efficiency, reflectance, bath life, yield, throughput); analyse electrical and process data and present clear, quantified results to customer technical teams

📌 Senior Process Engineer (New Delhi)
🏢 Vibgyor Energy
📍 New Delhi